CN207367095U - A kind of optical oomputing device based on Digital Micromirror Device - Google Patents
A kind of optical oomputing device based on Digital Micromirror Device Download PDFInfo
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- CN207367095U CN207367095U CN201721329515.1U CN201721329515U CN207367095U CN 207367095 U CN207367095 U CN 207367095U CN 201721329515 U CN201721329515 U CN 201721329515U CN 207367095 U CN207367095 U CN 207367095U
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Abstract
The utility model discloses a kind of optical oomputing device based on Digital Micromirror Device, including data processing module, light source coding module and optical oomputing module.The light source coding module includes LED light, Digital Micromirror Device, Digital Micromirror Device drive module, and optical oomputing module includes Digital Micromirror Device, Digital Micromirror Device drive module, photodetector.Wherein, data processing module gives calculative data sending to light source coding module, realizes that pumped FIR laser operates, data are represented with different luminous points.Illumination after coding is mapped in the Digital Micromirror Device of optical oomputing module, and the digital micro-mirror by deflecting diverse location realizes logical operation, and operation result is reflexed on photoelectric converter, obtains result of calculation, and be sent to data processing module.Optical computing technology has the information capacity of faster spread speed and higher, and the utility model improves calculating speed, reduce system implementation complexity, and can carry out cascaded operational compared to conventional method.
Description
Technical field
It the utility model is related to optical computer and optical computing technology field, and in particular to a kind of based on Digital Micromirror Device
Optical oomputing device.
Background technology
At present, the integrated level of large scale integrated circuit nearly reaches " limit " of physical electronic and technology, in order to full
Sufficient people are effectively treated higher and higher demand to supercomputing and to mass data, are to improve using parallel processing technique
A kind of effective way of computing capability.Light is compared with electronics, the problem of being less likely to occur to interfere with each other between intersection light beam, at the same time
Light beam can carry two-dimensional image information, inherently with parallel processing capability.
Quick, parallel, noiseless advantage to give full play to light network, development logic, computing, search and system and
Row, the processing in system to optical signal can preferably be handled with parallel, pipeline mode.And computer is to forming its system
Most basic logical device have certain requirement, these requirements mainly have：Can cascade, must possess simple and complete logic
Function performance, there is logic level to rebuild ability, and device must be able to that big array etc. is made.For a logic algebra system, together
When using the logic circuit that may be constructed any function with door, OR gate and NOT gate, therefore with door, OR gate and NOT gate be one complete
Collection.Logic NOT and logical AND, the logic or compound logic separately constituted（NAND）、（NOR）And logic NOT and logical AND, or patrol
Collect the set of non-sum logic or composition（AND·NOR）、（OR, NOT）All it is perfect set, the door in above perfect set may be constructed
Any logic circuit.
The optical computing part of traditional optical processor is realized by cascading optical correlators, such as passes through 4f systems, 8f
AND logical operations are realized in system space filtering, and the program is extremely strong to the dependence of optics performance, and volume is big, logic level
Rebuilding can force difference.
Utility model content
A kind of light based on Digital Micromirror Device that the purpose of this utility model is in view of the deficiencies of the prior art and provides
Computing device, is realized simple and complete logical function needed for optical oomputing by digital micro-mirror, has faster calculating speed,
Simpler system structure, is not required to rely on the characteristic that pass calculating at a high speed can be achieved in complicated optical structure.
Realizing the concrete technical scheme of the utility model aim is：
A kind of device of the optical oomputing based on Digital Micromirror Device, feature are that the device includes data processing module, light source
Coding module and computing module, the data processing module connect light source coding module and computing module, the light source respectively
Coding module is connected with computing module；Wherein：
The light source coding module includes LED light, the first Digital Micromirror Device and the first Digital Micromirror Device drive module,
The LED light is connected with the first Digital Micromirror Device, the first Digital Micromirror Device and the first Digital Micromirror Device drive module phase
Even, the first Digital Micromirror Device drive module is connected with data processing module；
The computing module includes the second Digital Micromirror Device, the second Digital Micromirror Device drive module and photodetection
Device, second Digital Micromirror Device are connected with the second Digital Micromirror Device drive module and photodetector respectively, the second number
Word micro mirror element drive module, photodetector are connected with data processing module respectively, the second Digital Micromirror Device and the first number
Word micro mirror element is connected.
Above device realizes that optical oomputing includes step in detail below：
Step 1：Light is completed to calculative two data by the first Digital Micromirror Device in light source coding module
Learn coding
ⅰ）The illumination that LED light is sent is mapped in the first Digital Micromirror Device；
ⅱ）Data processing module counts calculative data sending to the first Digital Micromirror Device drive module, first
Word micro mirror element drive module controls the deflection state of digital micro-mirror, using four micro mirrors of the first Digital Micromirror Device as a list
Member encodes the data calculated, and the corresponding combined result of different data is represented with the different luminous point of arrangement mode,
Realize the pumped FIR laser process of data；
Step 2：Optical oomputing
ⅰ）Optical signal after light source coding module coding is irradiated in the second Digital Micromirror Device；
ⅱ）Data processing module sends the logical operation for needing to carry out to the second Digital Micromirror Device drive module, the
Two Digital Micromirror Device drive modules control the deflection state of diverse location digital micro-mirror, realize corresponding logical operation, and will
Corresponding logic operation result is reflexed on photodetector；
ⅲ）The optical signal that optical oomputing is carried out by the second Digital Micromirror Device is irradiated on photodetector, photodetection
Result of detection is sent to data processing module by device, obtains optical oomputing by the presence or absence of identification signal and built-up sequence as a result, simultaneously
Data are sent to the first Digital Micromirror Device drive module again, realize cascaded operational.
The utility model solves the problems, such as that current optical oomputing equipment is complicated, volume is big, optical texture is complicated, and use is advanced
Digital Micromirror Device carry out optical oomputing, reduce volume at the same time, improve parallel processing capability；Use the numeral of PLC technology
Micro mirror element, can realize a variety of logical calculateds at the same time.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model light source coding module structure diagram；
Fig. 3 is the utility model computing module structure diagram；
Fig. 4 is light source coding schematic diagram；
Fig. 5 is the corresponding digital micro-mirror on off state of Different Logic computing；
Fig. 6 is corresponding pumped FIR laser schematic diagram when two numbers of progress logical operation are respectively " 1 " and " 1 "；
Fig. 7 is or the corresponding digital micro-mirror on off state figure of logical operation.
Embodiment
Refering to Fig. 1, the utility model includes：Data processing module 1, light source coding module 2 and computing module 3.It is described
Data processing module 1 connects light source coding module 2 and computing module 3 respectively, and light source coding module 2 is connected with computing module 3.By
The data that data processing module 1 controls light source coding module 2 to calculate as needed carry out light logic coding, the light irradiation after coding
To computing module 3, computing module 3 is reflected the light of diverse location according to different logical operations, is carried out photoelectricity and is turned
After changing, data processing module 1 is sent the data to, data processing module 1 obtains light according to the presence or absence of optical signal and built-up sequence
Result of calculation.
Refering to Fig. 2, Fig. 2 is the utility model light source coding module structure diagram.Light source coding module 2 includes：LED light
4th, the first Digital Micromirror Device 5, the first Digital Micromirror Device drive module 6, the LED light 4 and 5 phase of the first Digital Micromirror Device
Even, the first Digital Micromirror Device 5 is connected with the first Digital Micromirror Device drive module 6 and the second Digital Micromirror Device 7 respectively, number
It is connected according to processing module 1 with the first Digital Micromirror Device drive module 6.The light that LED light 4 produces is radiated at the first digital micromirror device
On part 5；Calculative two data are sent to the first digital micro-mirror drive circuit 6 by data processing module 1, and the first numeral is micro-
Mirror device drive module 6 carries out the data calculated using four digital micro-mirrors as a unit according to the arranging situation of data
Coding, with the luminous point of different arrangements, represents different data.
Refering to Fig. 3, Fig. 3 is the utility model computing module structure diagram.Computing module 3 includes the second digital micromirror device
Part 7, the second Digital Micromirror Device drive module 8, photodetector 9, second Digital Micromirror Device 7 are digital with second respectively
Micro mirror element drive module 8, the first Digital Micromirror Device 5 are connected with photodetector 9, the numeral of data processing module 1 and second
Micro mirror element drive module 8 and photodetector 9 are connected.Illumination after the coding of light source coding module 2 is mapped to the second number
On word micro mirror element 7, the logical operation for needing to carry out is sent to the second Digital Micromirror Device drive module by data processing module 1
8, the on off state of the second Digital Micromirror Device 7 is controlled, the result of Different Logic computing is reflexed into photodetector 9, is realized
Different logical operation.Result of detection is sent to data processing module 1 on photodetector 9, data processing module 1 passes through knowledge
The presence or absence of level signal and built-up sequence obtain optical oomputing as a result, and result of calculation can be sent to the first digital micromirror device again
Part drive module 6 realizes cascaded operational.
Refering to Fig. 4, Fig. 4 is pumped FIR laser schematic diagram.It is right using every four digital micro-mirrors of Digital Micromirror Device as a unit
Calculative two number carries out pumped FIR laser.When it is respectively " 0 " and " 0 " to need two numbers that operate, four digital micro-mirrors
Deflection state as shown in a in figure, can learn corresponding four digital micro-mirrors of the unit state be respectively " ON ", " ON ",
" ON ", " OFF ", the arrangement effect of luminous point is respectively " bright ", " bright ", " bright ", " going out ".When two numbers for needing to operate are respectively
When " 1 " and " 0 ", the deflection state of four digital micro-mirrors can learn corresponding four digital micro-mirrors of the unit as shown in b in figure
State be respectively " ON ", " OFF ", " ON ", " ON ", the arrangement effect of luminous point is respectively " bright ", " going out ", " bright ", " bright ".When need
When two numbers to be operated are respectively " 0 " and " 1 ", the deflection state of four digital micro-mirrors can learn the list as shown in c in figure
The state of corresponding four digital micro-mirrors of member is respectively " ON ", " ON ", " OFF ", " ON ", and the arrangement effect of luminous point is respectively
" bright ", " bright ", " going out ", " bright ".When two numbers for needing to operate are respectively " 1 " and " 1 ", the deflection state of four digital micro-mirrors
As shown in d in figure, state respectively " OFF ", " ON ", " ON ", " ON " of corresponding four digital micro-mirrors of the unit can be learnt,
The arrangement effect of luminous point respectively " going out ", " bright ", " bright ", " bright ".
Refering to Fig. 5, Fig. 5 is the corresponding digital micro-mirror state of Different Logic computing.With every four numbers of Digital Micromirror Device
Word micro mirror is a unit, carries out optical oomputing.By controlling the on off state of digital micro-mirror, logical operation is completed.When carry out with
During operation, the on off state of four digital micro-mirrors detects two and has at the same time as shown in a in figure only on photodetector 9
When imitating luminous point, the result with logical operation is 1, is otherwise 0.When progress or operation, the on off state of four digital micro-mirrors is such as
In figure shown in b, when photodetector 9 detects effective luminous point, or logic operation result is 1, is otherwise 0.As the non-behaviour of progress
When making, the on off state of four digital micro-mirrors is as shown in c in figure, when photodetector 9 detects effective luminous point, NOT logic fortune
It is 1 to calculate result, is otherwise 0.
Embodiment
People have been effectively treated higher and higher demand to supercomputing and to mass data, and large-scale integrated
The integrated level of circuit nearly reaches bottleneck, and the advantage of optical oomputing gradually highlights.
Digital Micromirror Device can use the DLP4500 Digital Micromirror Device of TI companies, which can be quick, accurate and efficient
Ground controls visible ray to generate pattern.Digital Micromirror Device drive module is by FPGA（Programmable gate array）That realizes is special
With drive module, the deflection state of every digital micro-mirror in DLP4500 Digital Micromirror Device is controlled.Data processing module can use
TI company's T MS320 family chips or Xilinx companies Kintex-7 chips are realized, it is possible to use 74LS family chips are as required
Corresponding circuit is built, so as to fulfill the transmission, reception and cascaded operational of data.
When calculative two number is respectively " 1 " and " 1 " and progress or computing in data processing module, by ' 11 '
Be sent to the first Digital Micromirror Device drive module, by or operation order be sent to the second Digital Micromirror Device drive module.
Using four digital micro-mirrors of the first Digital Micromirror Device as a coding unit, to LED uniform irradiations to the first digital micromirror device
Light on part is encoded, obtained spot arrangement result as shown in a Fig. 6 in Fig. 4, respectively " going out ", " bright ", " bright ",
" bright ".The result of pumped FIR laser is irradiated in the second Digital Micromirror Device, and the second Digital Micromirror Device is equally with four digital micro-mirrors
For a computing unit, controlled by the second Digital Micromirror Device drive module, complete logical operation.Due to the logical operation of progress
For or computing, the deflection state of digital micro-mirror only overturn the digital micro- of the lower right corner in the computing unit as shown in b Fig. 7 in Fig. 5
Mirror, is emitted onto the computing unit and corresponds to the pumped FIR laser result " bright " of digital micro-mirror and reflex on photoelectric converter, is become clear
Luminous point.Photoelectric converter obtains high level, i.e. result of calculation is " 1 ", which is sent to data processing module.
The utility model can parallel processing mass data computing, such as when needing to carry out and the binary number of computing is
When " 10001010 " and " 00010101 ", the bit of two data is alignd, be split as " 10 ", " 00 ", " 00 ", " 01 ",
" 10 ", " 11 ", " 10 ", " 11 ", are divided into 8 units and carry out pumped FIR laser and logical operation.The utility model can be by data
Reason mould operation result in the block is quickly fed again into system and carries out computing, and different digital micro mirror forms in Digital Micromirror Device
Computing unit it is independent mutually, a variety of computings can be carried out at the same time.The utility model can pass through simple integrated circuit supplementary number
Word micro mirror element carries out large batch of optical oomputing, and can form circulate operation, realizes cascaded operational.
Claims (1)
1. a kind of optical oomputing device based on Digital Micromirror Device, it is characterised in that the device includes data processing module（1）, light
Source code module（2）And computing module（3）, the data processing module（1）Light source coding module is connected respectively（2）And calculating
Module（3）, the light source coding module（2）And computing module（3）It is connected；Wherein：
The light source coding module includes LED light（4）, the first Digital Micromirror Device（5）And first Digital Micromirror Device driving mould
Block（6）, the LED light（4）With the first Digital Micromirror Device（5）It is connected, the first Digital Micromirror Device（5）With the first digital micro-mirror
Device drive module（6）It is connected, the first Digital Micromirror Device drive module（6）With data processing module（1）It is connected；
The computing module includes the second Digital Micromirror Device（7）, the second Digital Micromirror Device drive module（8）And photodetection
Device（9）, second Digital Micromirror Device（7）Respectively with the second Digital Micromirror Device drive module（8）And photodetector（9）
It is connected, the second Digital Micromirror Device drive module（8）, photodetector（9）Respectively with data processing module（1）It is connected, second
Digital Micromirror Device（7）With the first Digital Micromirror Device（5）It is connected.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721329515.1U CN207367095U (en) | 2017-10-17 | 2017-10-17 | A kind of optical oomputing device based on Digital Micromirror Device |
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| CN201721329515.1U CN207367095U (en) | 2017-10-17 | 2017-10-17 | A kind of optical oomputing device based on Digital Micromirror Device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107728704A (en) * | 2017-10-17 | 2018-02-23 | 华东师范大学 | A kind of optical oomputing device based on DMD |
| CN113644984A (en) * | 2021-10-14 | 2021-11-12 | 清华大学 | Optical logic element for photoelectric digital logic operation and logic operation method thereof |
-
2017
- 2017-10-17 CN CN201721329515.1U patent/CN207367095U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107728704A (en) * | 2017-10-17 | 2018-02-23 | 华东师范大学 | A kind of optical oomputing device based on DMD |
| CN107728704B (en) * | 2017-10-17 | 2023-08-01 | 华东师范大学 | Optical computing device based on digital micromirror device |
| CN113644984A (en) * | 2021-10-14 | 2021-11-12 | 清华大学 | Optical logic element for photoelectric digital logic operation and logic operation method thereof |
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